+p.
+ This is a generalisation of en passant capture with the pawn, which is
+ still possible. It leads to some unexpected situations,
+ like on the following diagram after 1...Rb2-d2+: this is not a mate
+ since the king can capture the rook en passant on c2: 2.Kxc2 e.p.
+
+figure.diagram-container
+ .diagram
+ | fen:6k1/1p1p4/6p1/4P3/2n5/3nP1b1/3r1BP1/R2K1R1B:
+ figcaption After 1...Rb2-d2+: not a mate!